US 11,387,716 B2Granted

Redundant circuit device

AssigneeDenso Corporation

InventorsJyun Kurihara, Hiroyasu Sugiura

Life of this patent

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Abstract

A redundant circuit device including a first system circuit and a second system circuit having identical function, the redundant circuit device comprises: a substrate that is partitioned into a first region in which a part of the first system circuit is provided and a second region in which a part of the second system circuit is provided, each of the first region and the second region having a printed wiring; a first mount component that is included in the first system circuit, has three or more pins, and is surface-mounted on one surface of the substrate; and a second mount component that is included in the second system circuit, has an identical number of pins as that of the first mount component and having an identical function as that of the first mount component, and is surface-mounted on the one surface.

Claims12

Dependent claims

A redundant circuit device including a first system circuit and a second system circuit having identical function to make the function be redundant, the redundant circuit device comprising:

a substrate that is partitioned into a first region in which at least a part of the first system circuit is provided and a second region in which at least a part of the second system circuit is provided, and has one surface, each of the first region and the second region having a printed wiring;
a first mount component that is included in the first system circuit, has three or more pins, and is surface-mounted on the one surface of the substrate;
and
a second mount component that is included in the second system circuit, has an identical number of pins as that of the first mount component and having an identical function as that of the first mount component, and is surface-mounted on the one surface of the substrate,
wherein:
a placement of numbers assigned by function to the respective pins of the first mount component with respect to a center point of the first mount component is defined as a first pin placement;
a placement of numbers assigned by function to the respective pins of the second mount component with respect to a center point of the second mount component is defined as a second pin placement;
and
the second pin placement is a mirror inversion of the first pin placement.

6 more elements

A redundant circuit device including a first system circuit and a second system circuit having identical function to make the function be redundant, the redundant circuit device comprising:

a substrate that is partitioned into a first region in which at least a part of the first system circuit is provided and a second region in which at least a part of the second system circuit is provided, and has one surface, each of the first region and the second region having a printed wiring;
a first mount component that is included in the first system circuit, has three or more pins, and is surface-mounted on the one surface of the substrate;
and
a second mount component that is included in the second system circuit, has an identical number of pins as that of the first mount component and having an identical function as that of the first mount component, and is surface-mounted on the one surface of the substrate,
wherein:
a placement of numbers assigned by function to the respective pins included in the first mount component with respect to a center point of the first mount component is defined as a first pin placement;
a placement of numbers assigned by function to the respective pins included in the second mount component with respect to a center point of the second mount component is defined as a second pin placement;
the first pin placement is identical with the second pin placement;
the pins included in the first mount component has a first reference pin, which has a predetermined function;
the pins included in the second mount component has a second reference pin, which has the predetermined function;
a direction of the first mount component on the substrate, which is specified by a position of the first reference pin around a center of the first mount component, is defined as a first mounting direction;
a direction of the second mount component on the substrate, which is specified by a position of the second reference pin around a center of the second mount component, is defined as a second mounting direction;
and
the first mounting direction and the second mounting direction are different from each other.

11 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/874,651Filed 14 May 2020
Priority: JP JP2019-09361217 May 2019
Published: US 2020/0366166 A119 Nov 2020
Granted: 12 Jul 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification19 codes

H02K 11/33
Structural association with control circuits or drive circuits: drive circuits, e.g. power electronics
B62D 5/0406
Characterised by constructional features, e.g. common housing for motor and gear box: including housing for electronic control unit
B62D 5/046
Characterised by control features of the drive means as such: controlling the motor
B62D 15/0235
Determination of steering angle: by measuring or deriving directly at the electric power steering motor